Modernize project #55

	name: Cross-platform

	on:
	push:
	pull_request:

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Setup virtual environment
	run: \|
	python -m pip install --upgrade pip
	python -m pip install wheel
	python -m pip install -r requirements.txt
	- name: Run cmake_downloader.py
	run: python cmake_downloader.py --latest_release

	style:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: 3.12
	- name: Setup virtual environment
	run: \|
	python -m pip install --upgrade pip
	python -m pip install wheel
	python -m pip install -r requirements-dev.txt
	- name: Style checks
	run: \|
	black --check *.py
	isort --check *.py

Provide feedback